Profile in tmpfs

The default Opera profile is typically located in Template:Filename. This profile can be relocated to an available tmpfs filesystem, including Template:Filename, or Template:Filename for improvements in application response as the the entire profile is now stored in RAM. Another benefit is a reduction in disk read and write operations, of which SSD drives benefit the most.

Disabling Xft fonts

Xft font rendering can consume unnecessary resources on certain systems. Avoid the use of Xft fonts by unchecking the following option:

opera:config#UserPrefs | EnableXftFonts

Microsoft fonts and Opera

Configure fonts under Settings > Preferences > Advanced > Fonts. If Template:Package Official has been installed before running Opera for the first time, Opera will use those fonts by default, regardless of what's specified by local GTK options, GNOME, or KDE font management. To force existing installations of Opera use the options set by your font manager: